Lit. No. 50579, Rev. 02
11
April 15, 2010
50600, 50810
FILLING HYDRAULIC UNIT
1. Attach the snowplow to
the vehicle according to
the instructions on the
headgear.
2. With wing and lift rams
fully retracted,
fi
ll the
reservoir with FISHER
®
EZ Flow Hydraulic Fluid
to –40°F (–40°C), or other
fl
uid conforming to Military
Speci
fi
cation MIL-H-5606A, such as Mobil Aero
HFA or Shell AeroShell
®
Fluid 4. Replace the
fi
ll
plug.
NOTE: Add
fl
uid only when all rams are retracted.
3. Turn the control ON and completely extend and
retract the driver-side wing several times. Repeat
for the passenger-side wing. With wings and lift
ram fully retracted, turn the control OFF.
4. Fill the reservoir with hydraulic
fl
uid. Replace the
fi
ll plug.
NOTE: Remove
fi
ll plug slowly to relieve any
pressure in reservoir.
5. Turn the control ON and raise and lower the
snowplow several times. Activate the control
FLOAT function and manually collapse the lift ram
all the way after each lowering of blade. Angle the
blade fully to the left and right several times. With
wing and lift rams fully retracted, turn the control
OFF.
6. Fill the reservoir to the top of the
fi
ll hole and
replace the
fi
ll plug.
WARNING
Keep 8' clear of the blade drop zone when it is
being raised, lowered or angled. Do not stand
between the vehicle and blade or directly in
front of blade. If the blade hits you or drops
on you, you could be seriously injured.
WARNING
To prevent accidental movement of the blade,
always turn the control OFF whenever the
snowplow is not in use. The power indicator
light will turn OFF.
CAUTION
Do not mix different types of hydraulic
fl
uid.
Some
fl
uids are not compatible and may
cause performance problems and product
damage.
CAUTION
DO NOT raise blade at this time as this may
cause pump cavitation.
FLUID CAPACITY
• Insta-Act
®
Unit Reservoir
1-3/4 quarts
• Insta-Act System Total
2-3/8 to 2-3/4 quarts
Fill
Plug
Drain
Cap
AeroShell
®
is a registered trademark (
®
) of Shell Oil Company.